Cheapest return flights from Istanbul to Keflavik in October from 223€

Best time to book flights for Istanbul (IST) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Keflavik (KEF) in October 2025 (see full year).

Return flights

01 Oct - 05 Oct Wizz Air UK
31 Oct - 07 Nov Wizz Air
06 Oct - 10 Oct Wizz Air UK
11 Oct - 16 Oct Pegasus Airlines
25 Oct - 01 Nov Wizz Air
20 Oct - 24 Oct Wizz Air
01 Oct - 09 Oct easyJet
04 Oct - 12 Oct Pegasus Airlines
03 Oct - 09 Oct British Airways
01 Oct - 05 Oct Icelandair direct
20 Oct - 24 Oct Icelandair direct
11 Oct - 16 Oct Icelandair direct
31 Oct - 07 Nov Icelandair direct

Also check the deals for one-way flights from Istanbul to Keflavik in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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